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本文实例讲述了python实现图片变亮或者变暗的方法。分享给大家供大家参考。具体实现方法如下:

import Image
# open an image file (.jpg or.png) you have in the working folder
im1 = Image.open("angelababy.jpg")
# multiply each pixel by 0.9 (makes the image darker)
# works best with .jpg and .png files, darker < 1.0 < lighter
# (.bmp and .gif files give goofy results)
# note that lambda is akin to a one-line function
im2 = im1.point(lambda p: p * 0.5)
# brings up the modified image in a viewer, simply saves the image as
# a bitmap to a temporary file and calls viewer associated with .bmp
# make certain you have associated an image viewer with this file type
im2.show()
# save modified image to working folder as Audi2.jpg
im2.save("angelababy2.jpg")

运行效果如下所示:

python实现图片变亮或者变暗的方法

希望本文所述对大家的Python程序设计有所帮助。

标签:
python,图片,变亮,变暗

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